<template>
    <div class="shopcar-container">

        <div class="goods-list">

            <div class="mui-card" v-for="item in goodslist" :key="item.id">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner goods-item">
                        <!-- 开关 -->
                        <mt-switch v-model="seletedObj[item.id]" @change="changeSelect(item.id,seletedObj[item.id] )"></mt-switch>
                        <!-- 图片 -->
                        <img :src="item.thumb_path" alt="">
                        <!-- 信息区域 -->
                        <div class="info">
                            <h1>{{ item.title }}</h1>
                            <div class="goods-info">
                                <span class="price">￥{{ item.sell_price }}</span>
                                <!-- countObj[item.id] 表示这条商品对应的数量 -->
                                <nobox :initcount="countObj[item.id]" :id="item.id"></nobox>
                                <a href="#" @click.prevent="del(item.id)">删除</a>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- 结算区域 -->
            <div class="mui-card">
                <div class="mui-card-content">
                    <div class="mui-card-content-inner jiesuan">
                        <div class="left">
                            <p>总计（不含运费）</p>
                            <p>
                                已勾选商品<span class="danger">{{ selectedcount }}</span>件，总价<span class="danger">￥{{ amount }}</span>
                            </p>
                        </div>
                        <mt-button type="danger">去结算</mt-button>
                    </div>
                </div>
            </div>

            {{ JSON.stringify(seletedObj) }}

        </div>

    </div>
</template>

<script>
    import { mapGetters, mapMutations } from "vuex";
    import nobox from "../subcomponents/shopcar_nobox.vue";

    export default {
        data() {
            return {
                goodslist: [] // 商品列表
            };
        },
        created() {
            this.getGoodsList();
        },
        methods: {
            ...mapMutations(["delFromCart", "changeSelectState"]),
            async getGoodsList() {
                if (this.idstr.length <= 0) return;
                const { data } = await this.$http.get(
                    "/api/goods/getshopcarlist/" + this.idstr
                );
                if (data.status === 0) return (this.goodslist = data.message);
            },
            del(id) {
                // 删除商品
                // console.log(id);
                // 从界面上删除数据
                this.goodslist.some((item, i) => {
                    if (item.id == id) {
                        this.goodslist.splice(i, 1);
                        return true;
                    }
                });
                // 从 vuex 中删除数据
                this.delFromCart(id);
            },
            changeSelect(id, select) {
                // 更改开关的状态
                // console.log(id + "---" + select);
                this.changeSelectState({ id, selected: select });
            }
        },
        computed: {
            ...mapGetters([
                "idstr",
                "countObj",
                "seletedObj",
                "selectedcount",
                "amount"
            ])
        },
        components: {
            nobox
        }
    };
</script>

<style lang="scss" scoped>
    .shopcar-container {
        background-color: #eee;
        overflow: hidden;

        .goods-item {
            display: flex;
            img {
                width: 60px;
                height: 60px;
            }
            h1 {
                font-size: 13px;
            }
            .info {
                display: flex;
                flex-direction: column;
                justify-content: space-between;
                .goods-info {
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                    .price {
                        color: red;
                        font-weight: bold;
                        font-size: 16px;
                    }
                }
            }
        }
    }

    .danger {
        color: red;
        font-weight: bold;
        font-size: 16px;
    }

    .jiesuan {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
</style>
